Strange port numbers and packets

Posted on 2007-07-23
Last Modified: 2013-12-07
An internal IP address is sending out a strange UPD packet.  It says the source  port 44741 and the destination is 3052. The destination IP address is  

Also another IP address is sending a packet from source port 54801 to destination port 3052.  Any ideas?  Thanks.
Question by:esphelpdesk
    LVL 7

    Expert Comment

    Some application/Device is/was listening on port 3052. The internal ip addresses are just broadcasting on your network. is a broadcast address.

    Author Comment

    I am sorry.  Would you clarify.

    1. Why would something be listening in on port 3052?
    2. Why are internal ip addresses broadcasting?
    LVL 9

    Accepted Solution

    That specific IP address is a broadcast address.  

    As far as whats listening, port 3052 ( is used to communicate with APC's UPS devices.

    Featured Post

    Highfive Gives IT Their Time Back

    Highfive is so simple that setting up every meeting room takes just minutes and every employee will be able to start or join a call from any room with ease. Never be called into a meeting just to get it started again. This is how video conferencing should work!

    Join & Write a Comment

    Suggested Solutions

    Preface There are many applications where some computing systems need have their system clocks running synchronized within a small margin and eventually need to be in sync with the global time. There are different solutions for this, i.e. the W3…
    SSL is a very common protocol used these days when browsing the web.  The purpose is to provide security to communication, but how does it do it?  There are several pieces at work that have to be setup before SSL will even work and it requires both …
    Viewers will learn how to properly install and use Secure Shell (SSH) to work on projects or homework remotely. Download Secure Shell: Follow basic installation instructions: Open Secure Shell and use "Quick Connect" to enter credentials includi…
    In this tutorial you'll learn about bandwidth monitoring with flows and packet sniffing with our network monitoring solution PRTG Network Monitor ( If you're interested in additional methods for monitoring bandwidt…

    734 members asked questions and received personalized solutions in the past 7 days.

    Join the community of 500,000 technology professionals and ask your questions.

    Join & Ask a Question

    Need Help in Real-Time?

    Connect with top rated Experts

    18 Experts available now in Live!

    Get 1:1 Help Now